-er a-a a-t aaa aae aaf aag aan aar aas aat aau aea aee aef aeg aen aer aes aet aeu af- afa afe aff afg afn afr afs aft afu ag- aga age agf agg agn agr ags agt agu an- ana ane anf ang ann anr ans ant anu ar- ara are arf arg arn arr ars art aru as- asa ase asf asg asn asr ass ast asu at- ata ate atf atg atn atr ats att atu au- aua aue auf aug aun aur aus aut eaa eae eaf eag ean ear eas eat eau eea eee eef eeg een eer ees eet ef- efa efe eff efg efr efs eft ega ege egf egg egn egr egs egt egu en- ena ene enf eng enn enr ens ent enu era ere erf erg ern err ers ert eru es- esa ese esf esg esn esr ess est esu eta ete etf etg etn etr ets ett etu eu- eua eue euf eug eun eur eus eut faa fae faf fag fan far fas fat fau fea fee fef feg fen fer fes fet feu ffa ffe fff ffg ffn ffr ffs fft ffu fga fge fgf fgg fgn fgr fgs fgt fna fne fnf fng fnn fnr fns fnt fnu fra fre frf frg frn frr frs frt fru fsa fse fsf fsg fsn fsr fss fst fsu fta fte ftf ftg ftn ftr fts ftt ftu fua fue fuf fug fun fur fus fut fuu gaa gae gaf gag gan gar gas gat gau ge- gea gee gef geg gen ger ges get geu gfa gfe gff gfr gfs gft gga ggg ggn ggr ggs ggt ggu gna gne gnf gnn gnr gns gnt gnu gra gre grf grg grn grr grs grt gru gsa gse gsf gsg gsn gsr gss gst gsu gta gte gtf gtg gtn gtr gts gtt gtu gu- gua gue guf gug gun gur gus gut guu naa nae naf nag nan nar nas nat nau ne- nea nee nef neg nen ner nes net neu nfa nfe nff nfn nfr nfs nft nfu nga nge ngf ngg ngn ngs ngt ngu nna nne nnf nng nnn nns nnt nnu nra nre nrf nrg nrn nrr nrs nrt nru nsa nse nsf nsg nsn nsr nss nst nsu nta nte ntf ntg ntn ntr nts ntt ntu nua nue nug nun nur nus nut nuu ra- raa rae raf rag ran rar ras rat rau re- rea ree ref reg ren rer res ret reu rfa rfe rff rfg rfn rfr rfs rft rfu rga rge rgf rgg rgn rgr rgs rgt rna rng rnn rnr rns rnt rnu rra rrf rrg rrn rrr rrs rrt rru rsa rse rsf rsg rsn rsr rss rst rsu rta rte rtf rtg rtn rtr rts rtt rtu rua rue ruf rug run rur rus rut ruu saa sae saf sag san sar sas sat sau se- sea see sef seg sen ser ses set seu sfa sfe sff sfg sfn sfr sfs sft sfu sga sge sgf sgg sgn sgr sgs sgt sgu sna sne snf sng snn snr sns snt snu sr- sra sre srf srg srn srr srs srt ss- ssa sse ssf ssg ssn ssr sss sst ssu sta ste stf stg stn str sts stt stu sua sue suf sug sun sur sus sut suu taa tae taf tag tan tar tas tat tau te- tea tee tef teg ten ter tes tet teu tfa tfe tff tfg tfn tfr tfs tft tfu tga tge tgf tgg tgn tgr tgs tgt tgu tna tne tnf tng tnn tnr tns tnt tra tre trf trg trn trr trs trt tru tsa tse tsf tsg tsn tsr tss tst tsu tta tte ttf ttg ttn ttr tts ttt ttu tua tue tuf tug tun tur tus tut tuu ua- uaa uae uaf uag uan uar uas uat uau uea uee uef ueg uen uer ues uet ufa ufe uff ufg ufn ufr ufs uft ufu uga uge ugf ugg ugn ugr ugs ugt ugu un- una une unf ung unn unr uns unt unu ur- ura ure urf urg urn urr urs urt uru usa use usf usg usn usr uss ust usu uta ute utf utn utr uts utt utu uua uue uug uun uur uus uut uuu